Why does it always stumble on the frame when installing LED strip screens?

Hey, don't tell me, a milk tea shop in Hangzhou suffered a big loss last year - the LED menu screen it bought for 8,000 yuan had three months of use and the frame was rusty like an antique! Later, when I took it apart, I found that the frame was made of recycled aluminum and was not as thick as a can. Today I will talk about the doorway of this outer frame, and I guarantee that you will avoid three years of detours after listening to it.

What is the importance of frame material?

​​Don’t be fooled by the words “all metal”​ ​, the water is deep here:

• ​​Aluminum thickness​ ​: Get the caliper measurement! For outdoor use, it should be at least 1.2mm. If you knock it with a coin, if the sound is dull, it must be mixed with impurities.
• ​​surface treatment​ ​: Powder spraying is better than spray paint. Only those with no trace after scratching with a key are considered qualified.
• ​​structural design​ ​: The frame with drainage channels does not accumulate water on rainy days. If you look at those that are not rusty for five years, they must have this design.

(To give a real case: the die-cast aluminum frame used by a certain supermarket chain, with a thickness of 2mm and reinforced ribs, was able to withstand the strong wind of level 11 during Typhoon Tianlun)

What are the pitfalls of customized sizes?

I just heard about a tragedy last week: the 3-meter-long frame customized by the boss was found to be 5 centimeters short during installation! Remember these three tips to prevent rollover:

1. ​​Measure the ruler and take a video​ ​: Ask the master to take a picture of the scale of the tape measure clearly. Don’t trust the verbal report.
2. ​​Ask about the error range​ ​: The cutting accuracy of regular manufacturers is within ±0.5mm.
3. ​​Reserved heat dissipation holes​ ​: Especially if it is installed next to the kitchen, the life of the frame without heat dissipation holes will be cut in half.

Buy online or order offline?

This matter needs to be broken down and said:

• ​​Be careful when buying a hot item from a certain treasure​ ​: A frame priced at 200/meter costs up to 80. Don’t ask me how I know that.
• ​​The physical store depends on the factory.​ ​: Go directly to the workshop to look at the pile of raw materials. Manufacturers that really use 6063 aluminum alloy have whole bundles of profiles piled in the warehouse.
• ​​Sign the contract in detail​ ​: Write down the material, thickness, and anti-corrosion process. Don’t just write “aluminum alloy frame”.

What should I do if I find a problem after installation?

Here’s a tip: Don’t rush to dress up after receiving the goods!

1. ​​Water soak test​ ​: Soak the frame in the pool for 24 hours to see if there is any blistering at the seams.
2. ​​Weighing experiment​ ​: Hang a 30-pound weight and swing it around for half an hour. Only if it is not deformed can you pass the test.
3. ​​Check welding points​ ​: Use sandpaper to polish the welding joint. Any leakage of copper color is due to cutting corners.

Personal opinion: Some manufacturers now offer "frame packages" which are purely a tactic, bundling the display and the frame for sale. Let me tell you, it is most reliable to purchase separately - find a manufacturer that specializes in metal processing to customize the frame, and then find a display manufacturer to buy the modules. Although there are many procedures, it can save 20% of the budget and the quality is more guaranteed. If you don’t believe it, just go to the hardware store and you’ll understand!

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